740328 has 32 divisors (see below), whose sum is σ = 1874400. Its totient is φ = 243648.

The previous prime is 740323. The next prime is 740329. The reversal of 740328 is 823047.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 740298 and 740307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2475 + ... + 2757.

It is an arithmetic number, because the mean of its divisors is an integer number (58575).

2⁷⁴⁰³²⁸ is an apocalyptic number.

It is an amenable number.

740328 is an abundant number, since it is smaller than the sum of its proper divisors (1134072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

740328 is a wasteful number, since it uses less digits than its factorization.

740328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 740328 is about 860.4231517108. The cubic root of 740328 is about 90.4637788365.

The spelling of 740328 in words is "seven hundred forty thousand, three hundred twenty-eight".